CVE-2026-42254

CVSS 4 MEDIUMEPSS 0.2%CWE-706

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4EPSS 0.2%KEV nãoPoC —Patch —

Lifecycle

26 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Hickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly associated with a query that triggered a response.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

Affected products

Hickory Project · Hickory DNS

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References

https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-83hf-93m4-rgwq